Armington, IL -- U.S. village in Illinois Population (2000): 368 Housing Units (2000): 152 Land area (2000): 0.286676 sq. miles (0.742487 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.286676 sq. miles (0.742487 sq. km) FIPS code: 02206 Located within: Illinois (IL), FIPS 17 Location: 40.339078 N, 89.313741 W ZIP Codes (1990): 61721 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Armington, IL Armington